1) coal heading
沿煤层巷道
2) tunnel in deep coal seam
沿煤巷道
3) coal roadway
煤层巷道
1.
The deformation feature of deep shaft coal roadway is analyzed,and the reason for many kinds of support failures is studied.
分析深井煤层巷道围岩变形特征和支护失效的原因,提出此类巷道的内外结构耦合平衡支护原理。
2.
The phenomenon of underground pressure and principle of surrounding rock control of deep shaft coal roadway are introduced.
以平顶山四矿戊九采区下山专用回风下山底鼓控制为工程背景,介绍了深井煤层巷道底鼓特点及其控制原理。
4) seam roadway
煤层巷道
1.
According to the current situation of supporting steep seam roadway,a new bolt-mesh-anchor support technology was put forward.
针对急倾斜煤层巷道支护现状,提出采用锚网索支护新技术对试验巷道进行支护改革。
2.
In view of steeply inclined seam roadway support status quo,with the specific engineering practice problem,used similar material simulation test to have the contrast study on steeply inclined seam roadway applied Isteel support,bolt support and bolt-cable-beam support under same condition.
针对急倾斜煤层巷道支护现状,结合具体工程实践问题,采用相似材料模拟实验,对相同条件下急倾斜煤层巷道采用工字钢支护、锚杆支护和锚(索)梁网支护3种支护形式进行对比试验研究,得出了不同支护形式下的围岩变形规律、以及不同支护形式在急倾斜煤层巷道条件下的适应性及支护机理,从而为急倾斜煤层巷道支护决策提供依据。
5) seam gateway
煤层巷道
1.
Design and construction of high pressure water gate wall in seam gateway;
煤层巷道高压水闸墙的设计与施工
2.
Research on bolt-steel mesh-anchor combined support technology applied in deep inclined seam gateway in Xinji No. 3 Mine;
新集三矿急倾斜煤层巷道锚网索支护研究
3.
Base on the practical experiences of the bolt/steel mesh support in the seam gateway of Qianjiaying Mine,the air re- turn down-dip of the No.
为了加快生产矿井开拓巷道的进尺速度,缓解采掘衔接紧张局面,介绍了锚网支护施工过程和参数设计依据,根据钱家营矿煤层巷道锚网支护实践经验,将十采区回风下山布置在煤层中,该巷道施工采用锚网、喷、锚索联合支护,加快了开拓巷道的施工速度,提高了煤炭回收率。
补充资料：标准煤(见煤当量)
标准煤(见煤当量)
standard coal
、~‘~1人、4《1工兀飞coal)见煤当等
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条